Cutter-head.



Patented Feb. 26A, I90l.

UNITED STATES PATENT OFFICE.

HARRISON C. HOSIER, OF WASHINGTON COURT-HOUSE, OHIO.

CUTTER-HEAD.

srEcIFIcATIoN forming part of Letters Patent No. 668,734, dated February26, 1901.

Application tied May s, 1900. serai no. 15,918. (No mais.)

To a/ZZ whom it may concern:

Be it known that I, HARRISON C. HosIER, a Icitizen of the United States,residing at Washington Court-House, in the county of Fayette and Stateof Ohio, have invented new and useful Improvements in Cutter-Heads, ofwhich the following is a specification.

My invention relates to improvements in cutter-heads, and pertains to acutter-head specially constructed and adapted to cut out Cobble-seatsfor chairs, all of which will be fully described hereinafter.

Heretofore in cutting out cobble-seats for chairs the circle has beencut out bya scrollsaw and the rabbet for receiving the cobble afterwardmade on a former, which is a tedious and slow method, requiring the seatto pass through several hands before it is ready to receive the cobbleor seat.

The object of my invention is to construct a cutter-head which will by asingle operation cut ont the circle of the seat and form the rabbet forthe cobble or seat, which enables me to rapidly and easily formCobble-seats and enabling me to thereby reduce considerably the cost ofmanufacture of seats of that type.

In the accompanying drawings, Figure 1 is a perspective view of acutter-head embodying my invention. Fig. 2 is a transverse sectionalvieW of the cutter-head and the seat being operated upon. Fig. 3 is atop plan view of the seat-blank composed of rightangle bars from whichcobble-seats are usually cut. Fig. 4 is a detached perspective view ofone of the planes J.

Referring now to the drawings, A is the head, disk, or body portion ofmy cutter-head, which is provided at its periphery with one or moreprojecting cutters or saws B (preferably saws) of the construction hereshown. These cutters B, which, as before stated, are preferably ofthesaw type, serve the function of cutting the circle C of the seat.Preferably these cutters B are short, as here shown, and the peripheryof the body portion A provided with inwardly extending plane receivingopenings or recesses D, the rear Wall E of the said recesses beinginclined to receive a suitable plane G, which has its cutting edge aprojecting below the lower or outer face of the body A and adapted toplane away that por# tion of the bars H of the seat (shown in Fig. 3)lying between the cutters B and the inner edges of the bars H. Theseplanes E therefore Will be of a width equal to and preferably slightlyin excess of thewidth or distance of the bars H between the groove cutby the cutters B and their inner edges. From this it will be noted thatthe cutters B cut the circle, while the planes E remove that portion ofthe bars H lying inside of the groove out by the said cutters.

While I prefer to use short cutters B for cutting the circleV incombination with the planes E,as before stated, yet it will be readilyunderstood that the planes E may be omitted and the cutters B made of asufficient length to extend or cut entirely through the thickness of thebars H. In this event there will be no necessity for the planes E toremove any portion of the bars H, as before explained.

The l'abbet I for receiving the cobble for the seat portion and also thegroove b, which is situated at the outer edge of the rabbet I,' areformed by means of the planes J, whichare supported uponlaterally-projecting arms or members K, and which, as here shown,project beyond the periphery of the body A, or in the event of theomission of the planes E and the 'use alone of long Glitters B,projecting beyond the cutters B for planing out the rabbet I. The grooveb is cut by the cutters L, which are attached to the ends of the arms orprojecting members J, and the groove is smoothed by the right-angleknife d, formed upon the outer edge or edges of the planes J.

While I here show a plurality of planes and cutters, it will beunderstood that one plane and one cutter can be used; but by using aplurality of these members I am able to more rapidly form the seat.

The bars H (or the blank from which the seat is to be formed) may beheld in any suitable clamp, and the cutter-head will be secured to asuitable shaft M. The cutter-head may be supported in either a verticalor a horizontal position, and the blank may be lnoved toward thecutter-head or the cutterhead toward the blank for the purpose offorming the seat. I do not here show any means for moving either theblank from which the seat is cut or the cutter-head, as the means IOOnecessary for accomplishing this are old and well known and form no partof my present invention.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

1. A cu tier-head comprisinga disk, a circlecutter projecting from theunder face of the disk and extending in a direction parallel the axisthereof, and a plane carried by the disk projecting beyond the saidcircle-cutter and situated in a plane in rear of the said circlecutter,substantially as described.

2. A cutter-head com prising a circular disk having a circle-cutterprojecting from the periphery thereof, and in a direction parallel theaxis thereof, and a plane projecting from the opposite side of the saiddisk beyond the said circle-cutter and situated in a plane in rear ofthe cutting edge of the circle-cutter, substantially as described.

A cutter-head comprising a circular disk having a circle-cutterprojecting from its periphery in a direction parallel the axis of thedisk, the said disk having radially-projecting plane-supporters at theopposite side from the cutting edge of the circle-cutter, planes carriedby the said plane-Supporters, the supporters and the planes projectingbeyond the circle-cutter, substantially as described.

4. A cutter-head comprising a circular disk having a circular cutterprojecting from its periphery in a direction parallel the axis of thedisk, the said disk having radially-projecting plane-supporters at theopposite side from the cutting edge of the circle-cutter, planes carriedby the said plane-supporters, the supporters and the planes projectingbeyond the ci rele-cutter, and groove-cutters carried by theplane-supporters and situated at a point inrear of the circle-cutters,substantially as described.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses.

HARRISON C. HOSIER.

Witnesses:

JAMES D. PosT, ANTHONY C. PATToN.

